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MathGroup Archive 2004

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Re: importing image and getting numbers from the gray intensity

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49366] Re: importing image and getting numbers from the gray intensity
  • From: "Mariusz Jankowski" <mjankowski at usm.maine.edu>
  • Date: Fri, 16 Jul 2004 06:06:50 -0400 (EDT)
  • Organization: University of Southern Maine
  • References: <cd5okp$b2c$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Sean, look at the Digital Image Processing package:
http://www.wolfram.com/products/applications/digitalimage/

Good luck, Mariusz



>>> sean kim<sean_incali at yahoo.com> 7/15/2004 7:09:13 AM >>>
let's say you have an image of gray bands of varying intensity. 

such as the one seen on the website, 

http://encyclopedia.thefreedictionary.com/SDS-PAGE 


Is there anyway to change the picture or do something and be able to
get numerical values for those bands?

maybe define a vertical line and then go to the center of the each
bands and measure how intense the gray is.

or maybe define a rectangle and get the gray intensity in that... 

is there a packages or codes for doing that?  NIH image program which
is freely avaialble can do this. But I wanted to do it in Mathematica.

Thanks for any and all insights. 

sean




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